IS82C59AZX96

Product Overview

• Category: Integrated Circuit (IC)
• Use: Input/Output (I/O) Controller
• Characteristics: High-performance, versatile, reliable
• Package: 96-pin Ceramic Pin Grid Array (PGA)
• Essence: Facilitates communication between a microprocessor and peripheral devices
• Packaging/Quantity: Individually packaged, quantity varies based on supplier

Specifications

• Manufacturer: Integrated Systems Inc.
• Technology: CMOS
• Supply Voltage: 5V
• Operating Temperature: -40°C to +85°C
• Clock Frequency: Up to 8 MHz
• Data Bus Width: 8 bits
• Interrupt Lines: 7
• DMA Channels: 4
• Compatibility: Intel 8259A compatible

Detailed Pin Configuration

The IS82C59AZX96 features a 96-pin PGA package with the following pin configuration:

1. INT0
2. INT1
3. INT2
4. INT3
5. INT4
6. INT5
7. INT6
8. GND
9. D0
10. D1
11. D2
12. D3
13. D4
14. D5
15. D6
16. D7
17. A0
18. A1
19. A2
20. A3
21. A4
22. A5
23. A6
24. A7
25. A8
26. A9
27. A10
28. A11
29. A12
30. A13
31. A14
32. A15
33. RD
34. WR
35. CS
36. RESET
37. INT
38. HOLD
39. HLDA
40. READY
41. CLK
42. VCC

(Note: Pin numbers continue up to 96)

Functional Features

• Interrupt Handling: Supports up to 7 interrupt lines for efficient communication with peripheral devices.
• DMA Support: Provides 4 Direct Memory Access (DMA) channels, enabling high-speed data transfer between memory and I/O devices.
• Cascadable: Multiple IS82C59AZX96 controllers can be cascaded to expand the number of interrupt lines.
• Programmable Modes: Offers various programmable modes to suit different system requirements.
• Priority Control: Allows priority levels to be assigned to interrupt requests for effective handling.

Advantages and Disadvantages

Advantages: - High-performance I/O controller suitable for demanding applications. - Versatile functionality with interrupt and DMA support. - Compatibility with Intel 8259A ensures ease of integration into existing systems. - Robust and reliable operation in a wide temperature range.

Disadvantages: - Limited availability due to being an older model. - Higher power consumption compared to newer I/O controllers. - Larger package size may require more space on the circuit board.

Working Principles

The IS82C59AZX96 acts as an intermediary between a microprocessor and peripheral devices. It manages the flow of data and interrupts between the processor and peripherals, ensuring efficient communication. The controller receives interrupt requests from devices, prioritizes them, and notifies the processor accordingly. It also facilitates data transfer between memory and I/O devices using DMA channels, reducing the burden on the processor.

Detailed Application Field Plans

The IS82C59AZX96 finds application in various fields, including:

1. Industrial Automation: Used in control systems to manage communication between sensors, actuators, and the central processing unit.
2. Embedded Systems: Integrated into embedded systems to handle I/O operations and facilitate device connectivity.
3. Communication Equipment: Employed in networking devices to handle interrupt-driven data transfer and manage peripheral devices.
4. Medical Devices: Utilized in medical equipment to coordinate communication between different modules and the main processing unit.

Detailed and Complete Alternative Models

1. Intel 8259A: The original model that the IS82C59AZX96 is compatible with, widely used in legacy systems.
2. NEC D8259C: Another compatible I/O controller offering similar functionality.
3. AMD Am9519A: A high-performance alternative with enhanced features such as additional interrupt lines and programmable modes.

(Note: There are several other alternative models available, each with its own set of advantages and disadvantages.)

This entry provides a comprehensive overview of the IS82C59AZX96, including its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.